both president obama and mitt romney have both stopped campaigning this weekend. cramming their facts and honing their one-liners. it's your voice, your vote, with just 37 days left until the election. abc's david kerley is with us here at the desk. good to see you. >> nice to be here. dan, this is a big debate. this is part performance, part policy. the stakes are always high. but for mitt romney, some are saying it's make or break. and for the president, leading in the polls, it's about not letting his challenger back in the race. president obama is in nevada this morning where he'll spend the next three days in debate camp. reportedly at this posh resort in henderson. and he heads into the debate with the latest gallup tracking poll still showing president obama holding a lead this morning, 6 points. >> this is the ball game for mitt romney. if romney doesn't do well in this debate it will be hard to get back in this race. >> reporter: both candidates have checklists. mitt romney has to avoid appearing detached. his to-do list, the three cs, show compassion, th